Development of Cotton Candy Method for High Productivity Polypropylene Fibers Webs 


Vol. 19,  No. 1, pp. 135-146, Jan.  2018
10.1007/s12221-018-7574-0


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  Abstract

The cotton candy method (CoCAM) is developed for high productivity of polymer micro- and nano-fibers. Polypropylene was molten in a single screw extruder of the CoCAM at air pressures of 0.2-0.5 MPa with nozzle temperatures of 280-350 and the constant air temperature of 600 . The distance from the nozzle to the collector was set at 10-90 cm. Thermal images informed the accumulation of PP fibers flows at shorter collector distance. The diameters of PP micro-fibers decreased with increasing the air pressures and the nozzle temperatures. Crystallinity of the PP micro-fibers increased when increasing the nozzle temperature due to higher occasion of molecular orientation. The degree of the fiber entanglement in the PP micro-fibers decreased when increasing the collector distance, which affected on the declination of tensile strength. Ductility of the PP micro-fibers improved at high collector distances. The optimum condition of the PP micro-fibers was found at the average diameter of 2.3 關m at 0.5 MPa with the nozzle temperature of 340 collected at 60 cm. The productivity of the PP micro-fibers webs from the CoCAM was 144 g/h.

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  Cite this article

[IEEE Style]

R. Wongpajan, S. Thumsorn, H. Inoya, M. Okoshi, H. Hamada, "Development of Cotton Candy Method for High Productivity Polypropylene Fibers Webs," Fibers and Polymers, vol. 19, no. 1, pp. 135-146, 2018. DOI: 10.1007/s12221-018-7574-0.

[ACM Style]

Rutchaneekorn Wongpajan, Supaphorn Thumsorn, Hiroyuki Inoya, Masayuki Okoshi, and Hiroyuki Hamada. 2018. Development of Cotton Candy Method for High Productivity Polypropylene Fibers Webs. Fibers and Polymers, 19, 1, (2018), 135-146. DOI: 10.1007/s12221-018-7574-0.

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